package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.sky.constant.MessageConstant;
import com.sky.constant.PasswordConstant;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.CategoryDTO;
import com.sky.dto.CategoryPageQueryDTO;
import com.sky.entity.Category;
import com.sky.exception.DeletionNotAllowedException;
import com.sky.mapper.CategoryMapper;
import com.sky.mapper.DishMapper;
import com.sky.mapper.SetmealMapper;
import com.sky.result.PageResult;
import com.sky.service.CategoryService;
import com.sky.vo.CategoryPageVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;

/**
 * 分类业务层
 */
@Service
@Slf4j
public class CategoryServiceImpl implements CategoryService {

    @Autowired
    private CategoryMapper categoryMapper;
    @Autowired
    private DishMapper dishMapper;
    @Autowired
    private SetmealMapper setmealMapper;

    /**
     * 新增分类
     *
     * @param categoryDTO
     */
    public void save(CategoryDTO categoryDTO) {
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO, category);
        category.setStatus(StatusConstant.ENABLE);
        category.setCreateTime(LocalDateTime.now());
        category.setUpdateTime(LocalDateTime.now());
        category.setCreateUser(BaseContext.getCurrentId());
        category.setUpdateUser(BaseContext.getCurrentId());
        categoryMapper.insert(category);
    }

    /**
     * 分页查询
     *
     * @param categoryPageQueryDTO
     * @return
     */
    public PageResult pageQuery(CategoryPageQueryDTO categoryPageQueryDTO) {
        int page = categoryPageQueryDTO.getPage();
        int pageSize = categoryPageQueryDTO.getPageSize();
        PageHelper.startPage(page, pageSize);
        Page<Category> categories = categoryMapper.pageQuery(categoryPageQueryDTO);
        ArrayList<CategoryPageVO> categoryPageVOArrayList = new ArrayList<>();
        for (Category category : categories) {
            CategoryPageVO categoryPageVO = new CategoryPageVO();
            BeanUtils.copyProperties(category, categoryPageVO);
            categoryPageVOArrayList.add(categoryPageVO);
        }
        PageInfo<CategoryPageVO> categoryPageVOPageInfo = new PageInfo<>(categoryPageVOArrayList);
        PageResult pageResult = new PageResult();
        pageResult.setTotal(categoryPageVOPageInfo.getTotal());
        pageResult.setRecords(categoryPageVOPageInfo.getList());
        return pageResult;
    }

    /**
     * 根据id删除分类
     *
     * @param id
     */
    public void deleteById(Long id) {
    }

    /**
     * 修改分类
     *
     * @param categoryDTO
     */
    public void update(CategoryDTO categoryDTO) {
    }

    /**
     * 启用、禁用分类
     *
     * @param status
     * @param id
     */
    public void startOrStop(Integer status, Long id) {
    }

    /**
     * 根据类型查询分类
     *
     * @param type
     * @return
     */
    public List<Category> list(Integer type) {
        return categoryMapper.list(type);
    }
}
